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Finding the Third Proportional to 11,455 and 16,867

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Solution

The third proportional to 11,455 and 16,867 is: 24,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455 : 16,867 = 16,867 : x
  2. Step 2: Convert to fraction form
    11,455/16,867 = 16,867/x
  3. Step 3: Cross multiply
    11,455x = 16,867 × 16,867
  4. Step 4: Simplify right side
    11,455x = 284,495,689
  5. Step 5: Solve for x
    x = 284,495,689/11,455
  6. Step 6: Final answer
    x = 24,835.94

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.